EP 0516276 A2 19921202 - Resealable packaging material.
Title (en)
Resealable packaging material.
Title (de)
Wiederverschliessbares Verpackungsmaterial.
Title (fr)
Matériau d'emballage refermable.
Publication
Application
Priority
US 70647591 A 19910528
Abstract (en)
The invention is a flexible packaging material having a narrow side band (10) of pressure sensitive adhesive (14) beneath a heatsealable surface layer (12). When the material is formed into a package, a heatseal (30) is formed along the side band of pressure sensitive adhesive. When the heatseal is opened, the pressure sensitive adhesive becomes exposed at the surface of the seal, which enables the package to be resealed by manual pressure alone. A particular advantage of the invention is that the pressure sensitive adhesive is present only where it is needed to form the resealable seal. The packaging material is made by side-by-side coextrusion. <IMAGE>
IPC 1-7
IPC 8 full level
B31B 1/62 (2006.01); B31B 50/62 (2017.01); B32B 27/08 (2006.01); B65D 33/20 (2006.01); B65D 33/22 (2006.01); B65D 65/40 (2006.01); B65D 75/58 (2006.01)
CPC (source: EP KR US)
B32B 3/04 (2013.01 - US); B32B 7/12 (2013.01 - US); B32B 27/08 (2013.01 - EP US); B32B 27/32 (2013.01 - US); B65D 33/20 (2013.01 - KR); B65D 75/5855 (2013.01 - EP US); B32B 2307/31 (2013.01 - US); B32B 2439/70 (2013.01 - US); Y10T 428/24793 (2015.01 - EP US); Y10T 428/2817 (2015.01 - EP US); Y10T 428/2826 (2015.01 - EP US); Y10T 428/31913 (2015.04 - EP US); Y10T 428/31917 (2015.04 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0516276 A2 19921202; EP 0516276 A3 19930203; AU 1721392 A 19921203; AU 653599 B2 19941006; CA 2069592 A1 19921129; JP 3322693 B2 20020909; JP H05147662 A 19930615; KR 100249034 B1 20000501; KR 920021295 A 19921218; US 5382472 A 19950117
DOCDB simple family (application)
EP 92303577 A 19920422; AU 1721392 A 19920527; CA 2069592 A 19920526; JP 13671792 A 19920528; KR 920009161 A 19920528; US 95227592 A 19920928